Unicode JS Encoder/Decoder

Convert between Unicode characters and Javascript escape sequences online.

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Supports .js, .txt and other text files

What is Unicode JS Encoding?

Unicode JS encoding (also known as Javascript Unicode escaping) is a method for representing Unicode characters in Javascript strings. It uses the format \uHHHH, where HHHH is the hexadecimal code of the character.

Script Compatibility

Ensures special characters in Javascript scripts are correctly parsed in any encoding environment.

Preventing Garbled Text

When handling scripts containing multi-language characters, using Unicode escape sequences effectively prevents garbled text due to inconsistent file encoding.

Data Transmission

In JSON data or API responses, using Unicode escape sequences is a standard way of character representation.

How to use this tool?

  1. Paste or Drag: Paste your Javascript code or text into the box, or simply drag and drop a file.
  2. Choose Action: Click "JS Encode" to convert characters to \uHHHH sequences, or click 'JS Decode' to restore them.
  3. Copy Result: Once processed, click the copy button in the top right to save the result to your clipboard.